a metal spike with an eye to which a rope can be secured: it is driven into rock or ice for support in mountain climbing
Origin of pitonFrench ; from MFr, a spike, pointed object, akin to OIt pizza, a point
A metal spike fitted at one end with an eye for securing a rope and driven into rock or ice as a support in mountain climbing.
Origin of pitonFrench, from Old French, nail.
left to right: horizontal, tubular, and ring wafer pitons